Three students in the foreground are using microscopes to examine plants in the greenhouse.Test tubes are standing in a wire basket and there are bulbs on the table. A professor is standing beside them examining a potted plant. Four men are in the…

Three students in the foreground are using microscopes to examine plants in the greenhouse.Test tubes are standing in a wire basket and there are bulbs on the table. A professor is standing beside them examining a potted plant. Four men are in the…